The Delft Sand, Clay & Rock Cutting Model, 2019a

The Delft Sand, Clay & Rock Cutting Model.
Table L-1: Pore percentages, indicated are the average measured densities for the various blade angles.
Minimum density 51.6%
Maximum density 38.3%
Initial density 30 º 43.6%
Initial density 45 º 44.9%
Initial density 60 º 44.2%
After the flushing
Minimum density 50.6%
Maximum density 37.7%
Saturated critical density 44.5%
Table L-2: Permeabilities, indicated are the average permeabilities for the various blade angles.
Pore percentage Permeability (m/s)
42.2% 0.000051
45.6% 0.000082
47.4% 0.000096
49.4% 0.000129
Initial
43.6% 0.000062
44.2% 0.000067
44.9% 0.000075
After the flushing
39.6% 0.000019
40.7% 0.000021
41.8% 0.000039
43.8% 0.000063
45.7% 0.000093
48.3% 0.000128
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